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发明名称
PROCESS OF PREPARING BUTYRIC CELLULOSE ESTERS
摘要
申请公布号
CA308184(A)
申请公布日期
1931.01.27
申请号
CAD308184
申请日期
申请人
LA SOCIETE DES BREVETS ETRANGERS LAFRANC AND CIE.;WILLIAM EDMOND CELESTIN
发明人
JACQUES LEFRANC
分类号
主分类号
代理机构
代理人
主权项
地址
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